#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>

using namespace std;

const int N = 1e5 + 10;

int q[N];

void quick_sort(int q[], int l, int r)
{
    if (l >= r)  return;

    int x = q[(l + r) >> 1], i = l - 1, j = r + 1;
    while (i < j)
    {
        do i++; while (q[i] < x);
        do j--; while (q[j] > x);
        if (i < j)
            swap(q[i], q[j]);
    }

    quick_sort(q, l, j);
    quick_sort(q, j + 1, r);

}

int main()
{
    int n, m;
    scanf("%d %d", &n, &m);

    for (int i = 0; i < n; i++)  scanf("%d", &q[i]);

    quick_sort(q, 0, n - 1);

    cout << q[m - 1] << endl;
    return 0;
}